Roofing Nail/Umbrella Head Roofing Nail Dingzhou Zhongcheng Metal Products Co., Ltd. Base Info Type：Roofing Nail, Umbrella HeadMaterial：Carbon SteelConnection：Common BoltHead Style：Umbrella Head Description Pre：Pipe Fittings Flange Galvanized A860 Wphy70 Wphy65 Next：Welded Flange
